<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>jjyp-api v1.0</title>
    <style type="text/css">
        body {
            width: 100%;
            height: 100vh;
            overflow: hidden;
        }

        .title {
            font-size: xx-large;
        }
    </style>
</head>
<body>
<div class="title">jjyp-api v1.0</div>
</body>
</html>
